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                <ol class="chapter"><li class="chapter-item expanded affix "><a href="chapter_1.html" class="active">读论文活动</a></li><li class="chapter-item expanded affix "><li class="part-title">6.824 分布式系统</li><li class="chapter-item expanded "><a href="Mapreduce.html"><strong aria-hidden="true">1.</strong> Mapreduce</a></li><li class="chapter-item expanded "><a href="GFS.html"><strong aria-hidden="true">2.</strong> GFS</a></li><li class="chapter-item expanded "><a href="VM-FT.html"><strong aria-hidden="true">3.</strong> VM-FT</a></li><li class="chapter-item expanded "><a href="Raft.html"><strong aria-hidden="true">4.</strong> Raft</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="Raft0.html"><strong aria-hidden="true">4.1.</strong> 感性认识Raft</a></li><li class="chapter-item expanded "><a href="Raft1.html"><strong aria-hidden="true">4.2.</strong> 什么是Raft？</a></li><li class="chapter-item expanded "><a href="Raft2.html"><strong aria-hidden="true">4.3.</strong> 复制状态机（Replicated State Machine）</a></li><li class="chapter-item expanded "><a href="Raft3.html"><strong aria-hidden="true">4.4.</strong> What's wrong with Paxos?</a></li><li class="chapter-item expanded "><a href="Raft4.html"><strong aria-hidden="true">4.5.</strong> 向可理解性进军</a></li><li class="chapter-item expanded "><a href="Raft5.html"><strong aria-hidden="true">4.6.</strong> Raft共识算法（零）</a></li><li class="chapter-item expanded "><a href="Raft6.html"><strong aria-hidden="true">4.7.</strong> Raft共识算法（一）——基础概念</a></li><li class="chapter-item expanded "><a href="Raft7.html"><strong aria-hidden="true">4.8.</strong> Raft共识算法（二）——选举leader</a></li><li class="chapter-item expanded "><a href="Raft8.html"><strong aria-hidden="true">4.9.</strong> Raft共识算法（三）——日志备份（log replication）</a></li><li class="chapter-item expanded "><a href="Raft9.html"><strong aria-hidden="true">4.10.</strong> Raft共识算法（四）——安全性和选举限制</a></li><li class="chapter-item expanded "><a href="Raft10.html"><strong aria-hidden="true">4.11.</strong> Raft共识算法（五）——如何提交之前term里的entry</a></li><li class="chapter-item expanded "><a href="Raft11.html"><strong aria-hidden="true">4.12.</strong> Raft共识算法（六）——安全性定理</a></li><li class="chapter-item expanded "><a href="Raft12.html"><strong aria-hidden="true">4.13.</strong> Raft共识算法（七）——如果follower/candidate宕机了</a></li><li class="chapter-item expanded "><a href="Raft13.html"><strong aria-hidden="true">4.14.</strong> Raft共识算法（八）——时间与可用性</a></li><li class="chapter-item expanded "><a href="Raft14.html"><strong aria-hidden="true">4.15.</strong> 成员变更</a></li><li class="chapter-item expanded "><a href="Raft15.html"><strong aria-hidden="true">4.16.</strong> 日志压缩</a></li><li class="chapter-item expanded "><a href="Raft16.html"><strong aria-hidden="true">4.17.</strong> 与Client的交互</a></li><li class="chapter-item expanded "><a href="Raft17.html"><strong aria-hidden="true">4.18.</strong> 实验时遇到的bug</a></li><li class="chapter-item expanded "><a href="Raft18.html"><strong aria-hidden="true">4.19.</strong> 总结</a></li></ol></li><li class="chapter-item expanded "><a href="Zookeeper.html"><strong aria-hidden="true">5.</strong> Zookeeper</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="linearizability1.html"><strong aria-hidden="true">5.1.</strong> 线性一致性（一）——基础概念</a></li><li class="chapter-item expanded "><a href="linearizability2.html"><strong aria-hidden="true">5.2.</strong> 线性一致性（二）——细究linearizability</a></li><li class="chapter-item expanded "><a href="zk_intro.html"><strong aria-hidden="true">5.3.</strong> 引言</a></li><li class="chapter-item expanded "><a href="zk_service.html"><strong aria-hidden="true">5.4.</strong> Zookeeper Service</a></li><li class="chapter-item expanded "><a href="zk_api.html"><strong aria-hidden="true">5.5.</strong> Zookeeper API</a></li><li class="chapter-item expanded "><a href="zk_prop.html"><strong aria-hidden="true">5.6.</strong> Zookeeper的性质</a></li><li class="chapter-item expanded "><a href="zk_ex.html"><strong aria-hidden="true">5.7.</strong> 基于Zookeeper实现锁</a></li></ol></li><li class="chapter-item expanded "><a href="CRAQ.html"><strong aria-hidden="true">6.</strong> CRAQ</a></li><li class="chapter-item expanded "><a href="lamport_clock.html"><strong aria-hidden="true">7.</strong> Time, Clocks, and the Ordering of Events in a Distributed System</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="lamport_clock1.html"><strong aria-hidden="true">7.1.</strong> 引言</a></li><li class="chapter-item expanded "><a href="lamport_clock_partial_order.html"><strong aria-hidden="true">7.2.</strong> 偏序关系</a></li><li class="chapter-item expanded "><a href="lamport_logic_clock.html"><strong aria-hidden="true">7.3.</strong> 逻辑时钟</a></li><li class="chapter-item expanded "><a href="lamport_total_order.html"><strong aria-hidden="true">7.4.</strong> 全序关系</a></li><li class="chapter-item expanded "><a href="lamport_clock_ana_behave.html"><strong aria-hidden="true">7.5.</strong> 异常事件</a></li><li class="chapter-item expanded "><a href="lamport_p_clock.html"><strong aria-hidden="true">7.6.</strong> 物理时钟</a></li><li class="chapter-item expanded "><a href="lamport_end.html"><strong aria-hidden="true">7.7.</strong> 结论</a></li></ol></li><li class="chapter-item expanded "><li class="part-title">6.828 操作系统</li><li class="chapter-item expanded "><a href="828intro.html"><strong aria-hidden="true">8.</strong> Killer of Microseconds</a></li><li class="chapter-item expanded "><a href="cloudlab.html"><strong aria-hidden="true">9.</strong> CloudLab</a></li><li class="chapter-item expanded "><a href="dpdk.html"><strong aria-hidden="true">10.</strong> DPDK</a></li><li class="chapter-item expanded "><a href="spdk.html"><strong aria-hidden="true">11.</strong> SPDK</a></li><li class="chapter-item expanded "><a href="Shenango.html"><strong aria-hidden="true">12.</strong> Shenango</a></li><li class="chapter-item expanded "><a href="TritonSort.html"><strong aria-hidden="true">13.</strong> TritonSort</a></li><li class="chapter-item expanded "><a href="Profiling.html"><strong aria-hidden="true">14.</strong> Profiling a warehouse-scale computer</a></li><li class="chapter-item expanded affix "><li class="part-title">6.828 - Network</li><li class="chapter-item expanded affix "><li class="part-title">CS244 - Advanced Topics in Networking</li><li class="chapter-item expanded "><a href="DARPA_NET.html"><strong aria-hidden="true">15.</strong> The Design Philosophy of The DARPA Internet Protocols</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="DARPA_NET2.html"><strong aria-hidden="true">15.1.</strong> Second Level Goals</a></li><li class="chapter-item expanded "><a href="DARPA_NET3.html"><strong aria-hidden="true">15.2.</strong> Types of Service</a></li><li class="chapter-item expanded "><a href="DARPA_NET4.html"><strong aria-hidden="true">15.3.</strong> Varieties of Networks</a></li><li class="chapter-item expanded "><a href="DARPA_NET5.html"><strong aria-hidden="true">15.4.</strong> Architecture and Implementation</a></li><li class="chapter-item expanded "><a href="DARPA_NET6.html"><strong aria-hidden="true">15.5.</strong> Datagrams</a></li></ol></li><li class="chapter-item expanded "><li class="part-title">最后</li><li class="chapter-item expanded "><a href="end.html"><strong aria-hidden="true">16.</strong> 最后</a></li></ol>
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                        <h1 id="读论文活动"><a class="header" href="#读论文活动">读论文活动</a></h1>
<blockquote>
<p><a href="https://pdos.csail.mit.edu/6.824/schedule.html">6.824-schedule</a></p>
<p><a href="https://abelay.github.io/6828seminar/schedule.html">6.828论文list</a></p>
</blockquote>
<p>从2020年开始，MIT6.828课程被拆成了两个部分。6.S081变成了本科生的操作系统课程。<br />
6.828变成了论文研讨会。</p>
<hr />
<p>胡津铭大神在知乎上举办过一个<a href="https://zhuanlan.zhihu.com/p/347150916">828读论文</a>活动。
还把技术分享的录像放到了<a href="https://space.bilibili.com/6441785">b站</a>。<br />
我觉得这个活动尤其有趣，只是在看录播的时候，里面的内容我听不太懂...<br />
虽然关注了胡神的b站账号，但是惭愧的是，他的视频录像我几乎没有完整的看完过...
或许只有真正地参与其中，才会有所收获吧。</p>
<hr />
<p>因此，我也想组织这样一个线上讨论班，体会抱团学习的快乐。
希望你可以：</p>
<ol>
<li>学完6.S081或同等课程。</li>
<li>有时间参加论文研讨会。</li>
<li>乐于分享，每人至少要在研讨班期间做一次技术分享。</li>
<li>(optional) 乐于进行团队合作，研讨班后期或许我们可以参考828的组织形式，大家自行组队做项目。</li>
</ol>
<hr />
<p>研讨班将分为三个阶段：</p>
<ol>
<li>破冰。认识新朋友，一起读论文。
每次讨论会前，以6.824/6.828的paper reading list为主线，确定一篇论文，大家读完之后进行讨论。<br />
参会前，建议至少读完论文的摘要，算是对分享者的尊重。</li>
<li>分享新论文/项目。
在828指定的list之外，轮流分享自己正在做的/感兴趣的论文。</li>
<li>组队做项目。
也许会是最有趣的part。<br />
首先，如果你有idea，可以做一个proposal，在proposal里面，讲述你的idea、plan，等待感兴趣的人加入。
队伍建议2人以上。
做项目期间，欢迎向大家分享你们的项目进展。
最后，在研讨班结束的时候，做一个presentation。</li>
</ol>
<hr />
<p>如果你也对系统方向感兴趣，想一起抱团取暖，欢迎加入飞书群。玩法是入群的人至少要做一次技术分享，所以在加入群聊后，请说明你想分享的论文内容。
群主会给你安排时间。</p>
<p>最近b站在给千粉以上的小up一些直播奖励，一场直播如果大于100人观看的并长于1小时的话，会给25块钱的激励。<br />
所以到时候分享会在b站开直播，做分享的主持人会得到<a href="https://space.bilibili.com/16765968">本up</a>在b站获得的全部收入（25块激励金+直播打赏）。</p>
<p><img width="40%" src="assets/feishu.png" alt="QR CODE" /></p>
<h2 id="qa"><a class="header" href="#qa">Q&amp;A</a></h2>
<h3 id="1-up不是在更6s081的实验吗怎么没更完就开始搞这个了"><a class="header" href="#1-up不是在更6s081的实验吗怎么没更完就开始搞这个了">1. Up不是在更6.S081的实验吗？怎么没更完就开始搞这个了？</a></h3>
<p>Up现在081的实验更新到lab6了，感觉再搞实况写代码，有点没必要。<br />
因为能做到lab6的，之后的实验自己肯定也能写出来。<br />
但是会慢慢讲的！</p>
<h3 id="2-system不是自己的研究方向可以只听课不分享吗"><a class="header" href="#2-system不是自己的研究方向可以只听课不分享吗">2. System不是自己的研究方向，可以只听课不分享吗？</a></h3>
<p>可以，加群之后备注&quot;旁听&quot;，Up就不会去找你认领论文了。</p>
<h3 id="3-现在好像才10来个人关注这个是不是人有点少"><a class="header" href="#3-现在好像才10来个人关注这个是不是人有点少">3. 现在好像才10来个人关注这个，是不是人有点少？</a></h3>
<p>不少了。我觉得这个活动只要有六七个人参与，就能顺利进行下去了。</p>
<h3 id="4-可不可以讲一些老的论文感觉新论文只是看个热闹"><a class="header" href="#4-可不可以讲一些老的论文感觉新论文只是看个热闹">4. 可不可以讲一些老的论文，感觉新论文只是看个热闹？</a></h3>
<p>可以！</p>
<h2 id="读论文的方式"><a class="header" href="#读论文的方式">读论文的方式</a></h2>
<p>不管是沐神还是吴恩达、绿导师，他们给的建议都是在了解一个领域前，相关的论文读个百十来篇是十分有必要的。</p>
<p>读完之后，就每天揪着头发问自己，有没有什么新的idea。<br />
早晚有一天，要么头发被揪光，要么想出能发paper的idea。</p>
<hr />
<p>读一篇论文可以分五个阶段。</p>
<ol>
<li>只看摘要。</li>
<li>看摘要和Introduction，了解作者的观点。</li>
<li>看正文，了解论文做的事情。忽略细节。</li>
<li>读懂论文里的每一句话。</li>
<li>复现。</li>
</ol>
<p>刚上手一篇论文的时候，搞不清楚细节就搞不清楚吧，重视概念性的理解。不必陷入细节。</p>
<p>等到意识到论文很重要，需要搞清楚every fucking detail的时候，再去死磕细节。</p>

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